ONOS-5218 protected Link related changes.
Change-Id: I0163a2c4ec3c32b5aaf320a71d5ab5929ad3c73a
diff --git a/core/api/src/main/java/org/onosproject/net/AnnotationKeys.java b/core/api/src/main/java/org/onosproject/net/AnnotationKeys.java
index 906da4b..9fb7e33 100644
--- a/core/api/src/main/java/org/onosproject/net/AnnotationKeys.java
+++ b/core/api/src/main/java/org/onosproject/net/AnnotationKeys.java
@@ -145,6 +145,13 @@
public static final String PASSWORD = "password";
/**
+ * Link annotation key to express that a Link
+ * is backed by underlying protection mechanism.
+ */
+ // value is undefined at the moment, only using key existence
+ public static final String PROTECTED = "protected";
+
+ /**
* Returns the value annotated object for the specified annotation key.
* The annotated value is expected to be String that can be parsed as double.
* If parsing fails, the returned value will be 1.0.
diff --git a/core/api/src/main/java/org/onosproject/net/intent/constraint/ProtectedConstraint.java b/core/api/src/main/java/org/onosproject/net/intent/constraint/ProtectedConstraint.java
new file mode 100644
index 0000000..b5ac149
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/intent/constraint/ProtectedConstraint.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.net.intent.constraint;
+
+import org.onosproject.net.AnnotationKeys;
+import org.onosproject.net.Link;
+import org.onosproject.net.intent.ResourceContext;
+
+/**
+ * Constraint to request using only {@link AnnotationKeys#PROTECTED protected}
+ * Links.
+ */
+public class ProtectedConstraint extends BooleanConstraint {
+
+ private static final ProtectedConstraint PROTECTED_CONSTRAINT
+ = new ProtectedConstraint();
+
+ /**
+ * Returns {@link ProtectedConstraint} instance.
+ *
+ * @return {@link ProtectedConstraint} instance
+ */
+ public static ProtectedConstraint useProtectedLink() {
+ return PROTECTED_CONSTRAINT;
+ }
+
+ @Override
+ public boolean isValid(Link link, ResourceContext context) {
+ return link.annotations().keys().contains(AnnotationKeys.PROTECTED);
+ }
+
+ @Override
+ public String toString() {
+ return "Protected";
+ }
+
+}